How much does it cost to build a deck?

A deck is one of the hardest jobs to put a single price on, because almost nothing about it is fixed. The same 300 square feet can be a $9,000 pressure-treated rectangle on flat ground or a $30,000 elevated capped-PVC build with stairs, railings, and engineered footings. The honest answer is $25–$80 per square foot installed as of 2026 — and the rest of this guide is about which end of that range your project lands on, and why.

The 2026 cost range, in real numbers

As of 2026, professional deck building runs $25–$80 per square foot installed, all-in, with most residential projects landing $30–$60/sq ft. In total dollars, the spread looks like this:

• $5,000–$6,000: small, simple, ground-level pressure-treated decks. Higher per-square-foot overhead because the fixed costs spread over fewer feet.
• $8,000–$25,000: where the majority of standard decks land — roughly 200–400 sq ft in mid-grade materials. This is the realistic bread-and-butter range.
• $45,000+: large, elevated, premium-material, or multi-level builds. A 500 sq ft deck at six feet of elevation can run $30,000–$45,000 on its own.

For national benchmarks, Zonda's widely cited 2025 Cost vs Value report puts a 16×20-foot wood deck at about $18,263 (~$57/sq ft) and a composite deck of the same size at about $25,096 (~$78/sq ft). Treat those as midpoints, not quotes — your market and site decide the rest. The low end of the range ($25–$30/sq ft) is a simple ground-level pressure-treated rectangle in a rural or Midwest labor market; the high end ($70–$80+/sq ft) is an elevated, capped-PVC or tropical-hardwood, multi-level design in a high-cost metro at peak season.

What actually moves your quote

Two decks of identical size can fairly differ by tens of thousands of dollars. These are the real drivers, roughly in order of impact:

• Region and metro labor market. The single biggest swing. Urban and coastal contractors run $35–$65+/sq ft in labor alone, while rural Midwest and South labor runs $12–$22/sq ft. California, New York, New Jersey, Hawaii, and Alaska are consistently the highest-cost states.
• Size and scope. Smaller decks ($3,000–$6,000) carry higher per-square-foot overhead because fixed mobilization and setup costs spread over fewer feet; efficiency improves past 300 sq ft. Multi-level, wraparound, and rooftop decks carry 30–60% premiums over a simple ground-level build of the same footprint.
• Material grade. Pressure-treated wood installs at $25–$40/sq ft; cedar $30–$50; mid-grade composite $35–$55; premium composite $50–$70; capped PVC or tropical hardwood like ipe and cumaru at $55–$80+. The boards alone range from $2–$5/sq ft (PT lumber) to $15–$30/sq ft (premium composite or PVC).
• Structural complexity and height. Ground-level decks cost $10–$20/sq ft less than elevated ones. Anything 30 inches or more above grade needs engineered footings, taller posts, and more labor-intensive framing — a 500 sq ft deck at six feet of elevation can run $30,000–$45,000.
• Season and contractor availability. Peak season (May–August) carries 10–25% labor premiums and 6–8 week backlogs. Off-season builds (November–February) yield 15–25% labor discounts, and some contractors report up to 40% total savings once end-of-year material sales are factored in.
• Permits and inspections. Required in virtually all jurisdictions for decks over 30 inches above grade. Fees run $50–$150 in small municipalities to $200–$1,800 in larger or stricter ones; some metros charge by project valuation.
• 2026 lumber and material tariffs. Framing lumber sits around $916/MBF as of April 2026, up 4.2% year over year, driven by Canadian import tariffs and domestic mill curtailments. Steel and aluminum railings and hardware are 30–50% tariff-affected, and composite faces 5–7% upstream pressure. Together these are pushing 2026 quotes roughly 4–6% above 2025.
• Urgency and special conditions. Rush scheduling, last-minute bookings, and projects needing HOA approval or coastal and seismic permitting all carry premiums.

Line-item cost bands

Decks are easiest to price — and easiest to explain to a customer — when you break them into pieces rather than carrying one blended rate. These are verified 2026 bands:

• Footings / foundation: $200–$400 per poured concrete footing, or $300–$500 per installed helical pier. A 16×20 deck needs 6–10 footings, so $1,200–$4,000; rock or hard soil adds $20–$200 per hole to excavate.
• Framing (beams, joists, posts, ledger): typically 25–35% of the material budget. This is where pressure-treated lumber pricing lives, and where 2026 tariffs bite hardest at ~$916/MBF.
• Decking boards (surface only): PT wood $2–$5/sq ft; cedar/redwood $3–$7; composite $12–$22; PVC $15–$25; tropical hardwood (ipe, cumaru, mahogany) $10–$30.
• Labor (installation): $15–$35/sq ft nationally, $12–$22 in low-cost markets and $35–$65+ in high-cost metros. Labor is 40–60% of total installed cost.
• Railings: $35–$85/linear foot for wood, $25–$80 for composite, $50–$200 for aluminum, and $100–$250+ for cable or glass. A 60-foot perimeter runs $2,100–$12,000+ depending on material.
• Stairs: $150–$600 per step all-in. A standard 8-step set is $1,400–$2,600 in wood or $2,500–$5,500 in composite or premium.
• Permit fees: $50–$150 in small rural jurisdictions to $200–$1,800 in larger ones (Portland, OR minimum is $153 as of July 2025; a typical NY residential deck permit is around $313).
• Demolition / removal of an existing deck: $600–$1,000 for a standard wood deck, or $5–$15/sq ft for larger or composite structures.
• Add-ons: integrated lighting $300–$1,500 (basic) to $2,000–$5,000+ (full systems); a pergola or shade structure $4,000–$15,000 total; built-in benches or planters $500–$1,500 per feature; sealing or staining new PT wood $550–$1,200, recommended within the first year.
• GC overhead: add 13–22% on top of base labor and material if you're running through a general contractor rather than self-performing.

What it costs in your region

Region is the loudest single variable, and within any state the metro areas run 30–50% higher than rural rates. As of 2026:

• West Coast (CA, OR, WA): $50–$100/sq ft. California is highest, driven by seismic code, Title 24 energy rules, and high prevailing wages — the Bay Area and LA metro often top $80/sq ft for standard composite.
• Northeast (NY, NJ, CT, MA): $40–$80/sq ft. Freeze-thaw cycles drive deeper footings and structural upgrades; NYC metro is often $70–$100/sq ft for any permitted work.
• Southeast (FL, GA, NC, SC): $30–$55/sq ft. Florida adds hurricane-resistant fasteners and anchoring that push costs 10–15% above the inland South.
• Midwest (IL, OH, MI, MN, WI): $30–$55/sq ft. Frost-line footing depths of 42–60 inches in the northern Midwest add $500–$2,000 in footing cost versus southern climates.
• South / South-Central (TX, TN, AR, AL, MS): $28–$50/sq ft. Texas metros (Austin, Dallas, Houston) are trending up with demand; rural Texas and the rural Midwest remain the lowest-cost markets nationally.
• Mountain West (CO, UT, ID): $35–$65/sq ft. High-altitude and HOA-dense resort communities — Denver suburbs, Park City, Sun Valley — command real premiums.

If you're a homeowner comparing bids, expect the high end of your region's band for an elevated or premium build, and the low end for a simple ground-level pressure-treated deck. If you're a contractor, price from your own labor and material costs, not the regional average — the average is the midpoint of decks that aren't yours.

When a deck costs more — and when it costs less

Being honest about both directions builds trust and prevents the "I thought that was included" conversation later.

It costs more when…

• The deck is elevated (30 inches or higher) or multi-level, so footings, posts, and framing all scale up.
• You choose premium composite, capped PVC, or tropical hardwood over pressure-treated wood.
• You're in a high-cost metro, building in peak season, or need rush scheduling.
• The site has rock, hardpan, or sloped grade that slows footing work, or code requires deep frost-line footings, hurricane anchoring, or seismic detailing.
• The design adds stairs, long railing runs, lighting, a pergola, or built-ins — each is its own real line item.

It costs less when…

• The deck is a simple ground-level rectangle on flat, easy-digging soil.
• You build with pressure-treated wood and a clean, low-railing design.
• You book in the off-season (November–February) and aren't in a rush.
• You're in a lower-cost rural or Midwest/South market.
• The footprint is larger (300+ sq ft), so fixed costs spread across more square footage and the per-foot rate drops.

How shops quote and collect this

A deck estimate that holds up measures and prices each piece — footings, framing, decking, labor, railings, stairs, permits, and removal — rather than carrying one blended per-foot rate, and it puts the material grade, height, and finish in writing so there's no ambiguity on build day. Because decks run from a few thousand dollars to well over forty, deposits and progress draws matter: most builders collect a deposit to cover material at booking, then bill the balance at completion. Claver for deck builders handles that side — line-item quotes, deposits and consumer financing for the bigger jobs, scheduling the crew, invoicing, and getting paid by card or ACH — so the number you bid is the number you actually collect. See how the pieces fit on the decking page or browse more pricing breakdowns in the guides hub.